NetOps NCM WebApp is not starting - shows white page
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NetOps NCM WebApp is not starting - shows white page

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Article ID: 427163

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Updated On:

Products

Network Observability

Issue/Introduction

2025-11-04 14:05:28,555 INFO  [Webswing Process Handler] (SwingProcessImpl.java:197) [oneclickwebapp_anonym_f4d0a06b8fc1_1762265119658] 2025-11-04 14:05:28,499 main ERROR FileManager (/home/ncm/opt/smarts-ncm/webtomcat/local-logs) java.io.IOExceptio
n: Could not create directory /home/ncm/opt/smarts-ncm/webtomcat java.io.IOException: Could not create directory /home/ncm/opt/smarts-ncm/webtomcat

Cause

2025-11-04 14:05:28,555 INFO  [Webswing Process Handler] (SwingProcessImpl.java:197) [oneclickwebapp_anonym_f4d0a06b8fc1_1762265119658] 2025-11-04 14:05:28,499 main ERROR FileManager (/home/ncm/opt/smarts-ncm/webtomcat/local-logs) java.io.IOExceptio
n: Could not create directory /home/ncm/opt/smarts-ncm/webtomcat java.io.IOException: Could not create directory /home/ncm/opt/smarts-ncm/webtomcat

The directory path does not exist. 

Resolution

Create the /home/ncm directory, or the path that may be missing.

Restart NCM services using vcmaster binary.